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CUET · MATHS · PYQ PAPER 2023

Derivative of \(\cos \left(\sin \left(x^2\right)\right)\) with respect to x is:

  1. A \(2 x \sin \left(x^2\right) \cos \left(\cos \left(x^2\right)\right)\)
  2. B \(-2 x \sin \left(x^2\right) \cos \left(\cos \left(x^2\right)\right)\)
  3. C \(-2 x \cos \left(x^2\right) \sin \left(\sin \left(x^2\right)\right)\)
  4. D \(2 x \cos \left(x^2\right) \sin \left(\cos \left(x^2\right)\right)\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(-2 x \cos \left(x^2\right) \sin \left(\sin \left(x^2\right)\right)\)

Step-by-step Solution

Detailed explanation

\(\frac{d}{dx} \left(\cos \left(\sin \left(x^2\right)\right)\right) = -\sin \left(\sin \left(x^2\right)\right) \cdot \cos \left(x^2\right) \cdot 2x\) \(= -2x \cos \left(x^2\right) \sin \left(\sin \left(x^2\right)\right)\)